--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java	Tue Jun 12 12:40:44 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java	Tue Jun 12 13:20:48 2012 +0000
@@ -81,6 +81,8 @@
         protected int axisSymbol;
         /** List of assigned datasets (in order). */
         protected List<XYDataset> datasets;
+        /** List of assigned vertical markers */
+        protected List<Marker> domainMarkers = new ArrayList<Marker>();
         /** Range to use to include all given datasets. */
         protected Range range;
         /** Index of axis in plot. */
@@ -235,6 +237,8 @@
 
         //debugDatasets(plot);
 
+        addMarkers(plot);
+
         recoverEmptyPlot(plot);
         preparePointRanges(plot);
 
@@ -356,6 +360,25 @@
         }
     }
 
+ 
+    /**
+     * Add the given vertical marker to the chart.
+     */
+    public void addDomainMarker(Marker marker) {
+        if (marker == null) {
+            return null;
+        }
+
+        this.domainMarkers.add(marker);
+    }
+
+
+    protected void addMarkers(XYPlot plot) {
+        for(Marker marker : domainMarkers) {
+            plot.addDomainMarker(plot);
+        }
+    }
+
 
     /**
      * Effect: extend range of x axis to include given limits.